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	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><img class="logo" src="/img/dubbo_colorful.png"/><div class="header-menu"><img class="header-menu-toggle" src="/img/system/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a href="/en-us/index.html" target="_self">HOME</a></li><li class="menu-item menu-item-normal menu-item-normal-active"><a href="/en-us/docs/demo1.html" target="_self">DOCS</a></li><li class="menu-item menu-item-normal"><a href="/en-us/blog/index.html" target="_self">BLOG</a></li><li class="menu-item menu-item-normal"><a href="/en-us/community/index.html" target="_self">COMMUNITY</a></li></ul></div></div></header><div class="bar"><div class="bar-body"><img src="/img/system/docs.png" class="front-img"/><span>Documentation</span><img src="/img/system/docs.png" class="back-img"/></div></div><section class="content-section"><div class="sidemenu"><div class="sidemenu-toggle"><img src="https://img.alicdn.com/tfs/TB1E6apXHGYBuNjy0FoXXciBFXa-200-200.png"/></div><ul><li class="menu-item menu-item-level-1"><span>header title</span><ul><li style="height:36px;overflow:hidden" class="menu-item menu-item-level-2"><a href="/en-us/docs/demo1.html" target="_self">demo1</a></li><li style="height:36px;overflow:hidden" class="menu-item menu-item-level-2"><a href="/en-us/docs/demo2.html" target="_self">demo2</a></li><li style="height:72px;overflow:hidden" class="menu-item menu-item-level-2"><span>dir<img style="transform:rotate(0deg)" class="menu-toggle" src="/img/system/arrow_down.png"/></span><ul><li class="menu-item menu-item-level-3"><a href="/en-us/docs/dir/demo3.html" target="_self">demo3</a></li></ul></li></ul></li></ul></div><div class="doc-content markdown-body"><h1>example of footnote</h1>
<p>this is a demo of the usage of footnote.
this is footnote1 <sup class="footnote-ref"><a href="#fn1" id="fnref1">[1]</a></sup>。click it and see what will happen。</p>
<p>this is a long text.
this is a long text.
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this is a long text.
this is a long text.
this is a long text.</p>
<hr class="footnotes-sep">
<section class="footnotes">
<ol class="footnotes-list">
<li id="fn1" class="footnote-item"><p>this is the explanation of footnote <a href="#fnref1" class="footnote-backref">↩︎</a></p>
</li>
</ol>
</section>
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